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Based on CentOS 7, MongoDB 3.4.2 Pseudo-shard cluster use

:21001,192.168.1.122:21002--port 23000 [root@localhost ~]# MONGOs--configdb cs/ 192.168.1.122:21000,192.168.1.122:21001,192.168.1.122:21002--port 23001 [root@localhost ~]# MONGOs-- ConfigDB cs/192.168.1.122:21000,192.168.1.122:21001,192.168.1.122:21002--port 23002 5, connected to MONGOs, serial routing server and Shard server: (1) landing MONGO 192.168.1.122:23000; [root@localhost ~] #mongo 192.168.1.122:23000 >use admin; >>db.runcommand ({addshard: "shard1/192.168.1.122:22001,92.168.1.122:2

Fixed the error where no boot device is available after Ubuntu is installed.

Usually, I will install and start both Ubuntu and Windows systems, but this time I decided to completely eliminate Windows pure installation of Ubuntu. After the pure installation of Ubuntu is complete, no boot device (nobootabledevicefound) is output at the end of the screen instead of entering the GRUB interface. Apparently, the UEFI boot settings are screwed up. No boot device is available after Ubuntu is installed. I will tell you how to fix it on Acer

Solve the problem that the independent graphics card cannot be driven after the Windows XP system is installed in the dual graphics card notebook! How to install an independent graphics card driver for Windows 7 dual-graphics laptop XP system!

games require high display performance, only high-performance independent graphics cards are used. The benefits of this design not only give the notebook display performance a wider range of applications, but also meet the high battery life requirements of the notebook mobile, so as to meet the user's display performance requirements, at the same time, get the best endurance time. Today, we will not discuss the development history of the dual-display technology, nor identify the performance of

The XP system does not support automatic switching between two graphics cards. The a card can only use the exclusive display, and the N card can only use the set display!

graphics cards are used. On the contrary, if 3D games require high display performance, only high-performance independent graphics cards are used. The benefits of this design not only give the notebook display performance a wider range of applications, but also meet the high battery life requirements of the notebook mobile, so as to meet the user's display performance requirements, at the same time, get the best endurance time. Today, we will not discuss the development history of the dual-disp

Google's Chinese market continues to be frustrated, new competition in China rising

industry analyst believes that there will be more in common, visually than other competitors in the Chinese market with Google. In addition to a similar look, its search engine, Aliyun's entry into the market could be another battle between Google and China's Alibaba. Yes, these two competitors in the High-tech industry have history with each other in the country, and it is not going to be described as friendly. Last year, Alibaba created the Aliyun mobile operating system smartphone in China

Spring Core Learning (4) reading from XML beandefinition-code into configuration

) {this.beanclassname = beanclassname;try {This.beanclass = Class.forName (beanclassname);} catch (ClassNotFoundException e) {e.printstacktrace ();}} Public propertyvalues getpropertyvalues () {return propertyvalues;} public void Setpropertyvalues (Propertyvalues propertyvalues) {this.propertyvalues = propertyvalues;}}Resource:/** * Resource is the spring internal location resource interface * @author Acer */public interface Resource {InputStream geti

Macro-base notebook BIOS setup diagram

In fact, notebook BIOS is relatively simple, unlike the desktop BIOS has so many rich adjustment options, Acer notebook BIOS is not the same, but if the processor, or the same platform, the difference will not be very large, today we will go into the 4750 bios to see. First press the power button to display a large Acer logo There is a line below the lower right corner and a progre

15 Domestic excellent interactive website cases

.   Durex: Dare to talk about sex, like me. Durex with the world's largest music television platform MTV, the world-wide joint "safe behavior" theme activities. November 30, 12 time zones, 24-hour uninterrupted audio-visual feast, to give you a shock! Create a new world, with millions of people witness together! China's series of activities opened today, with Renren launched a "bold talk, like me" activities, aimed at sharing the health of sexual knowledge and sexual concepts, advo

Which is the best new Chromebook comparison?

As a low-end Internet device, Chromebook gradually attracted the attention of users, the market share continues to expand, but also more computer makers to join this camp. However, due to emerging products, many computer manufacturers are also the first to launch the Chrome OS products, so the names are surprisingly similar, confusing. Basically, the current market mainstream Chromebook brands, including Acer, Hewlett-Packard, Toshiba, Samsung, and s

Ubuntu 9.10 Microphone No sound solution

1, look at your sound card chip model Under the terminal: Head-n 1/proc/asound/card0/codec* Get model Realtek ALC888 As shown in the figure: 2. Under the terminal: zless/usr/share/doc/alsa-base/driver/hd-audio-models.txt.gz Find the list of alc883/alc888 chips, there are many models below, choose acer-aspire-4930g here, copy down. As shown in the figure: 3. Edit ALSA Configuration Under the terminal: sudo gedit/etc/modprobe.d/alsa-base.conf At the

Linhu: Original Literature website 56 actually took only one small step

Shino: Thank Wenhui. Our next speaker is from Nanjing, he and the ground bookstore is to combine, in our industry more famous public book company, they belong to the group of Acer, please linhu to make a speech by wave net. Linhu: I didn't do any preparation before I came, I talked about the industry. Said I probably do 5 minutes of advertising, because the popularity of wave nets is too small, it is necessary to do some advertising. Wave-by-waves net

Multi-language support--asp internationalization multi-language detailed scheme based on web system

Web 1.ASP Section A. Building language Packs 1. Create a "Language Pack" directory in each subsystem, such as bbs--> language-->simplified --->traditional --->english 2 Establish language files for each ASP,JS,HTC, such as ACMBBStopic.asp.lang, Treeview.htc.lang, Used to hold language global variables. such as directory language\english\ ACMBBSShow.asp.lang Public Const langrollway= "reverse Roll" Public Const langinvailduser= "Invaild user" Public Const langmailbox= "mail Box" Public Const lang

Solve the problem that the wireless Nic cannot be used in ubuntu with thinkpadE420

In ubuntu, E420 cannot access the Internet wirelessly. what is the problem? The wireless Nic seems to be driving, but the listed wireless signals cannot be seen in the network management tool. I have re-installed the Wireless NIC driver rtl8192ce_linux_2.6.0005.1116.2010. Download the package, decompress it, and enter... In ubuntu, E420 cannot access the Internet wirelessly. what is the problem? The wireless Nic seems to be driving, but the listed wireless signals cannot be seen in the network

Php checks whether a user uses a mobile phone. Start with HTTP_USER_AGENT.

The HTTP_USER_AGENT of the mobile browser is listed below. If not, you can click it. I will update it. Thank you. Determine whether the mobile phone is functionis_mobile () {$ user_agent $ _ SERVER [HTTP_USER_AGENT]; $ mobile_agentsArray (240x320, acer, acaco on, acs-, abacho, ahong, The HTTP_USER_AGENT of the mobile browser is listed below. If not, you can click it. I will update it. Thank you. // Determine whether the mobile phone function is_mobile

Simple Factory/Factory method/abstract factory of design pattern

(); Labcomputer3.uname (); Computer labComputer4 = Factory.createcomputer (); Labcomputer4.uname (); Computer LabComputer5 = Factory.createcomputer (); Labcomputer5.uname ();}As you can see, if you add a super-high-class, you don't have to modify the existing code to add a super-large factory directly. And the client's requirements code, but also only to replace a factory. Better scalability than a simple factory. The factory method pattern, also called the fictional model, is the substitution

Simple Factory mode

2. Design modeOne way to design this project.Simple Factory modeConsole.WriteLine ("Please enter the notebook brand you Want");String Brand=console.readline ();NoteBook Nb=getnotebook (brand);nb. SayHello ();//adjust which subclass of the method takes the object that is not in the parent class which child class to put.The core of a simple factory that assigns values to the parent class based on the user's inputpublic static NoteBook Getnotebook (string brand){NoteBook Nb=null;Switch (brand){Case

Elasticsearch search instance with highlighting and searching for special character filtering

See Code annotations for application notes.1. Simple Search Examples show: public void Search () throws IOException {//Custom cluster node name String clustername = "elasticsearch_pudongping"; Get Client clients = Esclient.initclient (clustername); Create a query index, the parameter Productindex represents the index library to query for Productindex searchrequestbuilder searchrequestbuilder = client. P Reparesearch ("Productindex"); Set the query index type, settypes ("P

Solve the problem that the wireless Nic cannot be used in ubuntu with thinkpad E420.

In ubuntu, E420 cannot access the Internet wirelessly. What is the problem? The wireless Nic seems to be driving, but the listed wireless signals cannot be seen in the network management tool. I have re-installed the wireless NIC Driver rtl8192ce_linux_2.6.0005.1116.2010. After downloading the file, decompress it, enter the file, and run the make command. (Download URL: http://download.csdn.net/detail/kidleaf2/3732252) Use rfkill to list the current wireless module status Thyne @ Thyne-Think :~

Fixed the error where no boot device is available after Ubuntu is installed.

Fixed the error where no boot device is available after Ubuntu is installed. Usually, I will install and start both Ubuntu and Windows systems, but this time I decided to completely eliminate Windows pure installation of Ubuntu. After Pure Ubuntu installation is complete, no bootable device found is output on the screen instead of entering the GRUB interface. Apparently, the UEFI boot settings are screwed up. No boot device is available after Ubuntu is installed. I will tell you how I fixed the

Intelligence in the battlefield

There is a song called "entering the New Age". I like it very much. Every time I give people and motivation! Continue! We are improving every day! The environment around us is changing every day. This is a wise and strategizing process! Capabilities and strength determine your own height! I like the modern history of China. A story has always touched my nerves. That is, when the Huai Hai Campaign is not over yet, Mao Zedong considers the crossing river campaign. Of course, think carefully, he ma

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